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Application of silicone resin in high temperature resistant coating
Source:iotachem.com
PostTime:2025-06-05 11:07:02
Silicone resin high temperature resistant coatings have important applications in the industrial field, especially in scenarios where they need to withstand extreme high temperature environments.


Its core advantage stems from the unique molecular structure of silicone resin-the main chain is composed of silicon-oxygen bonds, and the side chains are connected to organic groups. This inorganic-organic hybrid structure gives it excellent thermal stability, weather resistance and chemical inertness.


In the field of high temperature protection, silicone resin coatings are widely used in aerospace, metallurgy and energy equipment.


A domestic chemical research institute uses methyl/phenyl polysiloxane as the base material and adds inorganic fillers such as mica and CROo₃ to develop thermal insulation ablation coatings that can still protect the substrate at a high temperature of 2300℃.


In terms of industrial equipment protection, silicone resin coatings are used for the surface treatment of boilers, heat exchangers and high-temperature pipelines.


A certain brand of water-based self-drying high-temperature-resistant silicone resin maintains thermal stability in the range of 200-650℃, the varnish has a temperature resistance of 300℃, the paint has a temperature resistance of 500℃, and its salt spray resistance exceeds 1000 hours. It is especially suitable for ship steam pipeline protection in the marine environment.


Through the high-temperature curing process, the coating can further improve the mechanical strength and meet the long-term use needs of industrial pipelines, petrochemical equipment and other scenarios.


Technological breakthroughs have pushed the application boundaries of silicone resin coatings.The room temperature curing silicone resin achieves the hydrolysis-condensation reaction by introducing an alkox functional group and cooperating with a specific catalyst, breaking through the traditional high temperature curing process to limit the size of the equipment. 


In the future, with the advancement of material modification technology, silicone resin coatings will develop in the direction of higher temperature resistance and more complex environmental adaptability.By blending with epoxy resin or introducing nano-fillers, its mechanical strength and chemical resistance can be further improved, and it can provide more reliable thermal protection solutions for aerospace, new energy and other fields.
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